Harderian Gland - Inflammation - Gallery

Harderian gland - Inflammation, Chronic active in a female Sprague- Dawley rat from a chronic study. Numerous inflammatory cells are present in the interstitium and alveoli with destruction of the acinar tissue.

Harderian gland - Inflammation, Chronic active in a female Sprague- Dawley rat from a chronic study (higher magnification of Figure 1). The inflammatory cells, largely neutrophils and macrophages expand the interstitium and infiltrate the alveoli, many of which are necrotic.

Harderian gland - Inflammation, Suppurative in a male B6C3F1 mouse from a chronic study. There are massive accumulations of neutrophils (arrow) with necrotic debris (asterisk) in the alveolar lumens and interstitium with destruction of the normal architecture.

Harderian gland - Inflammation, Chronic in a female B6C3F1 mouse from a chronic study. There are macrophages and lymphocytes (predominantly). interstitial fibrosis, and foreign bodies (hair shaft fragments) (arrow) in the Harderian gland.